Achieving accurate FTIR measurements on high performance bandpass filters [PDF]
, 1998 The sources of ordinate error in FTIR spectrometers are reviewed with reference to measuring small out-of-band features in the spectra of bandpass filters. Procedures for identifying instrumental artefacts are described.
Deeley, C. +3 more
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Design and Performance of Microstrip Diplexers: A Review
ARO-The Scientific Journal of Koya University, 2020 The radiofrequency microstrip diplexers are widely demanded nowadays by modern wireless communication systems. Hence, several types of previously reported microstrip diplexers are reviewed and investigated in this work.
Salah I. Yahya +2 more
doaj +1 more source
Improved Designs for Highly Integrated Lowpass–Bandpass Filters
IEEE Access, 2023 This study presents three dual-band lowpass–bandpass filters. The first handles lowpass and bandpass bands through its fifth-order and third-order Chebyshev filter responses, respectively.
Pu-Hua Deng +3 more
doaj +1 more source
Cross-Coupled Line Bandpass Filter Based on Modified Parallel-Coupled Line Structure
Jurnal Elektronika dan Telekomunikasi, 2022 This paper presents a study of a narrow bandwidth of the bandpass filter with a cross-coupled line structure. This structure was designed to have a good filter selectivity with the transmission zeros and a simple design.
Fajri Darwis +7 more
doaj +1 more source
Novel Polyimide-Based Conformal Bandpass FSS for X-band RADAR Communications
Journal of High-Frequency Communication TechnologiesA linearly polarized wide bandpass frequency selective surface (FSS) for RADAR communication application has been presented. The proposed FSS is constructed in a single layer with a size of 0.25 λ0.
Geethanjali Govindarajan +1 more
doaj +1 more source
Compact Wide-Frequency Tunable Filter With Switchable Bandpass and Bandstop Frequency Response
IEEE Access, 2019 In this paper, a novel compact wide-frequency tunable filter with switchable bandpass and bandstop frequency response is presented. By employing two PIN diodes between the source and load port, the bandpass and bandstop filtering response can be switched,
Kaijun Song +5 more
doaj +1 more source
A low profile cylindrical cavity dual-band bandpass filter with short-circuited metal pillars
Alexandria Engineering Journal, 2023 This paper presents a low profile cylindrical cavity quadruple-mode dual-band bandpass filter. Five short-circuited metal pillars are loaded in a cylindrical cavity to change the electric field distributions of the original resonant modes.
Dong-Sheng La +3 more
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Gain Enhancement of a Wide Slot Antenna Using a Second-Order Bandpass Frequency Selective Surface [PDF]
Radioengineering, 2015 Gain enhancement of a wide slot antenna over a wide frequency band using a low profile, second order bandpass frequency selective surface (FSS) as a superstrate is presented in this paper.
A. Chatterjee, S. K. Parui
doaj
Extended Composite Right/Left-Handed Transmission Line and Dual-Band Reactance Transformation
Journal of Electrical and Computer Engineering, 2010 An extended composite right/left-handed transmission line is introduced, and its dual-band bandpass filter characteristics are explored. Novel reactance transformations, derived from this transmission line, are formulated to transform a low-pass ...
Yuming Zhang, Barry Spielman
doaj +1 more source
Digital frontend design for three-bands aliasing RF signals
Dianzi Jishu Yingyong, 2019 In order to solve the problem of three-band bandpass signal aliasing, a delay-adjustable third-order bandpass sampling structure is proposed. By designing a digital anti-aliasing filter, the alias-free reception of three-band bandpass signals can be ...
Wang Hongmei +4 more
doaj +1 more source